Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arco Chem TechfiledCriticalArco Chem Tech
Priority to IN1971CA1998priorityCriticalpatent/IN187049B/en
Publication of IN187049BpublicationCriticalpatent/IN187049B/en